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Natural Bi Color Tourmaline

Bi color tourmaline is the name given to tourmaline which displays more than one color in the same cystal.


  • Sorry, Bi Color Tourmaline is out of stock!

Bi Color Tourmaline Profile

Color information: Green, red, yellow, orange. brown, green, pink.
Refractive Index: 1.624(+.005, -.005) - 1.644(+.006, -.006)
Chemical Composition: (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31
Hardness: 7-7.5
Density: 3.06 (.05, +.15)
Crystal Group: Hexagonal
Ocurrence: East Africa, Brazil, USA, Afghanistan, Nigeria, Madagascar.
Sign of the Zodiac: N/A
Month of the year: N/A
Bi Color Tourmaline
Tourmaline is a gemstone noted for the large number of colors in which it occurs. The chemical composition of tourmaline is extremely complex and the variations reveal themselves in a large variety of colors.

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Alexandrite Single
From our finest gemstones collection
Alexandrite Single Trillion Eye clean
Size: 11.40 X 7.80 MM
Weight: 3.380 CTS
Shape: Trillion
Clarity: Eye clean
Usually ships within 24 hours
OUR PRICE
USD 14250.00
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Deal of the Day/
Aquamarine Single
limited time offer, ref# YAQ160ad
Aquamarine Single Cushion Eye clean
Size: 14.30 X 12.50 MM
Weight: 9.800 CTS
Shape: Cushion
Clarity: Eye clean
Usually ships within 24 hours
10 % OFF, YOU SAVE 58.80 USD
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USD 529.20
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Today’s Trade/
Best Selling Gems:
Demantoid Demantoid
5 Demantoid ’s available
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Phenakite Phenakite
1 Phenakite ’s available
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Quartz Quartz
1 Quartz ’s available
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Scapolite Scapolite
23 Scapolite ’s available
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Grossularite Grossularite
5 Grossularite ’s available
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Gemstone Variety: Hits Index
Going Up Tanzanite +312775 +5.4%
average price USD 469.80 per item
Going Up Sapphire +1334 +0.6%
average price USD 395.01 per item
Going Down Amber -1354 -1.0%
average price USD 197.21 per item
Going Down Alexandrite -968 -0.9%
average price USD 2469.53 per item
Going Down Spinel -1585 -2.3%
average price USD 450.81 per item
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Gem Library /
Gems Legend and  Lore This month birthstone: Aquamarine
More from the Gem Library about Birthstones.
Pisces Pisces
February 19 – March 20
Mutable Sign. Very sensitive. Your zodiac stone...more

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